SOLUTION: The perimeter of a semicircle is doubled when the radius is increased by one. Find the radius of the semicircle.
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Question 485770: The perimeter of a semicircle is doubled when the radius is increased by one. Find the radius of the semicircle.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The perimeter of a semicircle is doubled when the radius is increased by one.
Find the radius of the semicircle.
:
the perimeter of a semicircle =
:
=
Divide both side by pi
2r = r+1
2r - r = 1
r = 1 is the radius of the semicircle
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